Fireplace insert



FIG. 1 is a front perspective view of a fireplace insert showing our newdesign;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side elevational view looking from the right with respect toFIG. 1;

FIG. 4 is a side elevational view looking from the left with respect toFIG. 1;

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view.

The ornamental design for a fireplace insert, substantially as shown.